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Reducing Mechanical Anisotropy in Extrusion-Based Printed Parts
(University of Texas at Austin, 2017)
The mechanical performance of 3D printed components is highly dependent upon the
orientation of the part relative to the build plane. Specifically for extrusion-based printing systems,
the bond between successive layers ...
The Effect of Shear-Induced Fiber Alignment on Viscosity for 3D Printing of Reinforced Polymers
(University of Texas at Austin, 2018)
Material printed with large scale additive manufacturing systems such as the Big Area
Additive Manufacturing (BAAM) system experience a wide range of shear rates during the
extrusion process. The shear rate can vary over ...
Structural Health Monitoring of 3D Printed Structures
(University of Texas at Austin, 2018)
3D printed parts are used in industry for both tooling application and smaller parts in
assembled structures. Articles made through polymer based additive manufacturing are anisotropic
and may have defects throughout the ...
Z-Pinning Approach for Reducing Mechanical Anisotropy of 3D Printed Parts
(University of Texas at Austin, 2018)
The mechanical strength of extrusion-based printed parts is often greatly reduced (25-50%) in
the build direction (z-direction) compared to the in-plane strength due to poor bonding between
successively deposited layers. ...